Printing machine



FIG. 1 is a front, top and right side perspective view of a printingmachine showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof.

The bottom is plain and unadorned.

The ornamental design for a printing machine, as shown and described.